172-65473MA-03 (GT5C PowerTrap) 17 Jul 2019
22
4. Removing/Reattaching Each Unit
Part
Disassembly
Reassembly
Intake-Exhaust
Valve Seat/
Bolt/Snap Ring
Screen/Steel
Ball/O-Ring/
Gasket
• Remove bolts with a 13 mm (½”) socket
wrench.
• Remove the intake-exhaust valve seat
from the cover.
• Be careful not to let the steel ball and
the screen fall when removing the snap
ring.
• Remove the O-ring.
• Clean the sealing surfaces.
• Replace with a new O-ring
• Replace with a new gasket if it is
damaged.
• Coat O-ring with heatproof grease
and be sure to clean the mounting
surface in the cover.
• Tighten to a torque of 10 N
m
(7 lbf
ft).
Inlet Check
Valve Seat/
Bolt/O-Ring/
Gasket
• Remove bolts with a 13 mm (½”) socket
wrench.
• Remove the inlet check valve seat from
the cover.
If difficult, screw the bolt into the center
of the inlet check valve and use it to
remove the valve seat.
• Remove the O-ring.
• Clean the sealing surfaces.
• Replace with a new O-ring
• Replace with a new gasket if it is
damaged.
• Coat O-ring with heatproof grease
and be sure to clean the mounting
surface in the cover.
• In order to orient the hinge of the
valve upwards, be sure the
indentation is pointed upwards.
• Tighten to a torque of 10 N
m
(7 lbf
ft).
Outlet Check
Valve/Spring
Holder/Coil
Spring/Gasket
• Take out the outlet check valve unit
before removing the trap unit.
• Remove the spring holder with a 22
mm (
7
8
")
socket wrench.
• Be careful not to let the coil spring and
the gasket fall.
• Be sure to clean the mounting
surface of trap valve seat.
• Replace with a new gasket if it is
damaged.
• Tighten to a torque of 60 N
m (44
lbf
ft).
Trap Valve Seat
/Bolt/
O-Ring/Gasket
• Remove bolts with a 13 mm (½”) socket
wrench.
• Remove the trap valve seat from the
cover.
• Replace with a new O-ring
• Replace with a new gasket if it is
damaged.
• Coat O-ring with heatproof grease
and be sure to clean the mounting
surface in the cover.
• In order to assure proper flow
direction, be sure the indentation is
pointed upwards.
• Tighten to a torque of 10 N
m
(7 lbf
ft).
(1 N
m
10 kg
cm
2
)
Cover
Gasket
Intake-Exhaust
Valve Seat
Steel Ball
Screen
Bolt
O-Ring
Bolt
Trap Valve Seat
Gasket
Gasket
O-Ring
Inlet Check Valve
Bolt
The indentation
should point
upwards
Outlet Check Valve
Gasket
Coil Spring
Holder
The indentation
should point
upwards
O-Ring
Snap Ring